diff --git a/progit/__init__.py b/progit/__init__.py
index 55eb9fd..d1034ad 100644
--- a/progit/__init__.py
+++ b/progit/__init__.py
@@ -166,7 +166,7 @@ def generate_authorized_key_file():
                 row = 'command="/usr/bin/gl-auth-command %s",' \
                       'no-port-forwarding,no-X11-forwarding,'\
                       'no-agent-forwarding,no-pty %s' % (
-                        user.user, user.public_ssh_key)
+                          user.user, user.public_ssh_key)
                 stream.write(row + '\n')
             stream.write('# gitolite end\n')
 
diff --git a/progit/hooks/__init__.py b/progit/hooks/__init__.py
index a877614..2f17749 100644
--- a/progit/hooks/__init__.py
+++ b/progit/hooks/__init__.py
@@ -34,4 +34,3 @@ class BaseHook(object):
 
         '''
         pass
-
diff --git a/progit/plugins.py b/progit/plugins.py
index 9162f47..04ab580 100644
--- a/progit/plugins.py
+++ b/progit/plugins.py
@@ -47,7 +47,8 @@ def get_plugin(plugin_name):
 
 
 @APP.route('/<repo>/settings/<plugin>', methods=('GET', 'POST'))
-@APP.route('/fork/<username>/<repo>/settings/<plugin>', methods=('GET', 'POST'))
+@APP.route('/fork/<username>/<repo>/settings/<plugin>',
+           methods=('GET', 'POST'))
 @cla_required
 def view_plugin(repo, plugin, username=None):
     """ Presents the settings of the project.
diff --git a/progit/repo.py b/progit/repo.py
index 891e847..1887500 100644
--- a/progit/repo.py
+++ b/progit/repo.py
@@ -108,7 +108,7 @@ def view_repo_branch(repo, branchname, username=None):
         reponame = os.path.join(APP.config['FORK_FOLDER'], repo.path)
     repo_obj = pygit2.Repository(reponame)
 
-    if not branchname in repo_obj.listall_branches():
+    if branchname not in repo_obj.listall_branches():
         flask.abort(404, 'Branch no found')
 
     branch = repo_obj.lookup_branch(branchname)
@@ -171,7 +171,7 @@ def view_log(repo, branchname=None, username=None):
         reponame = os.path.join(APP.config['FORK_FOLDER'], repo.path)
     repo_obj = pygit2.Repository(reponame)
 
-    if branchname and not branchname in repo_obj.listall_branches():
+    if branchname and branchname not in repo_obj.listall_branches():
         flask.abort(404, 'Branch no found')
 
     if branchname: